[ Tenses ]
The students ________ the topic when the bell rang.
A. discuss
B. were discussing
C. have discussed
D. are discussing

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Adverb ClausesGerunds & Infinitives + VocabularyArticles and PrepositionsPresent Simple ProgressiveModalsIndefinite and Reflexive PronounsPast Tense and NeutralTime Clauses of FutureModal Verbs for Permission and ObligationModals and Semi-ModalsOther quiz:
Grammar › ViewAni visited her uncle who lives _______ New York.
A. in
B. on
C. at
D. over
Grammar › View
The cinema is ____ to the supermarket.
A. next
B. near
C. beside